2013138985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{1987}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 2881327680

約数和(自身を除く): 868188695

約数列:

[1, 5, 11, 13, 55, 65, 109, 143, 169, 545, 715, 845, 1199, 1417, 1859, 1987, 5995, 7085, 9295, 9935, 15587, 18421, 21857, 25831, 77935, 92105, 109285, 129155, 202631, 216583, 284141, 335803, 1013155, 1082915, 1420705, 1679015, 2382413, 2815579, 3693833, 11912065, 14077895, 18469165, 30971369, 36602527, 154856845, 183012635, 402627797, 2013138985]

約数ペア:

[(1, 2013138985), (5, 402627797), (11, 183012635), (13, 154856845), (55, 36602527), (65, 30971369), (109, 18469165), (143, 14077895), (169, 11912065), (545, 3693833), (715, 2815579), (845, 2382413), (1199, 1679015), (1417, 1420705), (1859, 1082915), (1987, 1013155), (5995, 335803), (7085, 284141), (9295, 216583), (9935, 202631), (15587, 129155), (18421, 109285), (21857, 92105), (25831, 77935)]